Tires are just about the most important part of your car. If they’re in bad shape, the car’s ability to accelerate, stop, and turn in all conditions is greatly compromised. Everybody knows to replace tires when the tread gets down to the wear bar, but what about when they get too old? The rubber in tires deteriorates over time due to UV and environmental exposure. The resulting “dry rot” leaves tire structure brittle and leads to sidewall damage and eventual failure. This isn’t “Oh I’ll just fill it up and drive on it. As a precaution, the Department of Transportation recommends changing even new-looking tires once they hit 10 years old, and many manufacturers recommend swapping them out at six years old. Of course, this aging is highly dependent on where the tires live. Tires in hot dry climates have much shorter lives than those in moderate, moist climates. Still, you want to maximize tire life when buying a new set of rubber.
Reading a Sidewall
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Tires made before have a three-digit code that is trickier to decode. The first two digits still indicate the week, but the third digit tells you the year in the decade.
To read the date code on motorcycle tires, you must find the 4-digit part of the DOT code on the sidewall of a tire. The first pair of numbers means the week, and the second pair means the year. So, if you are wanting to determine the age of a tire with the code , you should read its manufacture date as the 35 th week of This is the standard form for every date code on motorcycle tires made since The aging process depends on the environment and usage conditions, type of rubber, purpose of the tire, etc.
But, make sure to remember a tire can be stored in a shop for 2 years or even more. The date code on motorcycle tires will help you choose a set that will last for as long as possible. Before , the date code was written in three digits, and was considered logical, as no tire would serve for longer than a decade. The first pair meant the number of the week, the third number meant the year of the decade. It was much easier with the tires that were manufactured in the s, though.
Aside from the 3-digit code, there was a small triangle placed on the sidewall.
How to Tell When a Motorcycle Tire Was Made: Deciphering Tire Codes
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Tyredating offers vertical e-retail solutions dedicated to garages, automotive centers and specialized dealers to capture Internet traffic and redirect it to the physical.
Summer tyres. Winter tyres. All-season tyres. Bridgestone Tyres. Continental Tyres. Firestone Tyres. Your vehicle. Viewed products. Tyre fitting. Surname or VAT no. Check order status. Do car tyres have an expiration date?
How old are my tires?
A “tire kicker” is someone who appears to be interested in buying something, asks a lot of questions, uses up a lot of your time, but then does not buy anything. Sadly, the “Tire Kickers” have expanded from not only wasting people’s time in the world of sales, they are now a force to be reckoned with in the dating world of Online dating and dating through social media is full of lots of people who want to have some sort of virtual relationship with you, but they never want to actually meet you in person.
They will message you frequently, possibly every day. They will show an interest in your life. They will tell you that you are beautiful, smart, sexy and they will feed your ego, but despite their feigned interest and the accolades they throw your way, they will not meet you in person.
The first two digits of the date code tell you the week that the tires were built, and the last digit tells you the year. For example, a date code such as.
If not — you should. They may last another three years, but your tread has little to do with it. What is more essential is the age of the tire. Tires are made of rubber, obviously, and when rubber gets old, it starts to dry and crack often times from the inside out — this process is not always visible to the naked eye. Until recently, I had no idea that the age of the tire mattered. I thought it was all in the tread and visible cracking.
I also had no idea that tires have a manufacture date stamped on them.
Understanding Dunlop Tire Codes
Knowing if your car has TPMS will enable you to find the right tires. Not sure? Enter your phone number to receive a text message with a link for this information.
Near the edge of the rim, look for a long serial number starting with the letters “DOT.” The code will end in either three numerals (pre) or four.
Each farm tire sidewall includes important information about the size, tread, load index and speed ratings, production code as well as safety and bead seating warnings. These details can help assess tire safety and also inform your next tire purchase. The load index is the two or three digit code that indicates the load carrying capacity of the tire.
Maximum load goes hand in hand with the speed states by the speed symbol. Together these numbers can be considered a variable performance rating. Date Codes tell you where your tire was made as well as what week of what year it was manufactured. The bead seating marking on the sidewall shows you the maximum inflation pressure to seat the bead, which allows the tire to be inflated to the correct pressure. When you operate tires as the recommended inflation pressure, you minimize soil compaction and increase fuel efficiency.
This quick guide will help you find the manufacture date of your tire and understand how Tires Easy handles tire age based on the DOT Code. Keeping a record of your tires and understanding their age will help you save money on repairs and take proper care of your vehicle. It tells you who manufactured the tire, where it was made, and other tracking information.
The raised numbers of the DOT Code are placed together and often enclosed in a raised oval.
How long will tires last before you should replace them? It depends on the tread design of the tire, road conditions, and how frequently the car is in use.
If you’ve ever wondered how old your tires are, it’s an easy bit of information to find out. Tires actually have a “born-on” date, and it’s listed right on the tire itself. Almost everything you need to know about your tires is molded into the sidewall and coded according to federal requirements, including the specific week and year when a tire was made. To read the date on a tire, look near the edge of the rim for a series of characters starting with the letters DOT. This code can tell you the manufacturer of the tire and the factory where it was made, as well as provide lot-specific information used for tracking in case of a recall.
The last four digits of this code tell you when your tire was manufactured. The first two numbers indicate what week of the year it was made out of 52 weeks per year , and the second two numbers represent the year. For example, would reveal that a tire was manufactured during the 52nd week of the year Prior to the year , DOT coding was slightly different.
Tire Date Code and How to Read It
The average life of a tire is five to seven years. If you drive a vehicle every day, you’ll probably wear out the tread in less than five. RVs spend most of their time sitting still. So your tires will probably need to be replaced before the tread wears out. Maybe it’s cracks from the sun or maybe it’s sitting too long with too little air in them.
When your tires hit fives year in age, it’s time to think about replacing them.
When it comes to motorcycle safety, the tires you use are an integral part of keeping your bike on the road. Knowing how to tell the age of a tire is.
The tire industry has some loose guidelines on tire age that call for tire replacement after 6 to 10 years of service. On a daily driver, you’ll likely wear out the tread before the year window, but on a collector vehicle, the tire could expire well before the tread is gone.
How Old Are Your Tires? Check the Born-On Date
For years, people have relied on tread depth to determine when to replace a tire. If the tread passes the ” penny test , ” they assume the tire still has life, regardless of how old it is, which can be a fatal mistake. Old tires are dangerous, regardless of tread depth. While there’s no federally sanctioned safety guidance on when a tire is too old to be safe, many carmakers recommend replacement at six years from the date of manufacture.
When he was driving two weeks later, the tread suddenly separated from the tire.
A tire’s plant of origin and date of manufacture are located on each tire. These can be determined by examining the series of letters and numbers called the Tire.
A new tire on my Bonanza was purchased via mail order in August from a reputable source that was listed in a major aviation trade publication. After checking to determine just how ‘new’ my new tire really was, I discovered that it was already eight years old! Look for a molded-in-plate on the side of the tire.
In the plate will be a series of numbers and perhaps some letters. Aircraft tires manufactured by Goodyear are clearly marked with an eight-character serial number code that represents the year, Julian date of production, and tire ID number. Character one represents the year; character two, three, and four indicates the day; characters five, six, seven, and eight signify the individual tire ID number.
FYI: The Julian calendar dates are simply a continuous count of days.